CN103621528B - High efficient mite-killing composition - Google Patents
High efficient mite-killing composition Download PDFInfo
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- CN103621528B CN103621528B CN201210302477.6A CN201210302477A CN103621528B CN 103621528 B CN103621528 B CN 103621528B CN 201210302477 A CN201210302477 A CN 201210302477A CN 103621528 B CN103621528 B CN 103621528B
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Abstract
The invention discloses a high efficient mite-killing composition, which comprises an active component A and an active component B, wherein the active component A is selected from spiromesifen, the active component B is any one compound selected from the following components: tebufenpyrad, hexythiazox, fenazaquin and halfenprox, and the weight ratio of the active component A to the active component B is 1:70 to 70:1. The high efficient mite-killing composition can control a plurality of harmful mites, has a prominent synergetic effect, is capable of reducing the using amount of pesticide, reduces the residual pesticide amount on crops, and relieves the environmental pollution.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of High-efficiency miticidal composition on crop evil mite.
Technical background
Spiromesifen (Spiromesifen) molecular formula: C
23h
30o
4.The mechanism of action of Spiromesifen is the growth affecting aleyrodid and acarid, disturb the biosynthesis of its liposome, especially have good activity to larval stage, ovarian duct closure function can also be produced simultaneously, reduce the fertility of acarid and adult whitefly, greatly reduce quantity of laying eggs.
Tebufenpyrad (Tebufenpyrad) chemical name: N-(4-tertiary butyl benzyl) the chloro-3-ethyl of-4--1-methylpyrazole-5-base formamide, molecular formula: C
18h
24cLN
3o.Belong to amide-type miticide.To various mite class and Semiptera, Homoptera evil mite, there is tall and erect effect, and the dawn all to have immediate effect each vegetative period to mite class and efficiently, the lasting period is long.Without interior absorption, but there is osmotically active, have splendid selectivity to target crop.
Hexythiazox (hexythiazox) chemical name: (4RS, 5RS)-5-(4-chlorphenyl)-N-cyclohexyl-4-methyl-2-oxo-1,3-thiazoles alkane-3 carboxylic acid amides, molecular formula: C
17h
21clN
2o
2s.The novel miticide of thiazolidine ketone, has good penetrability to plant epidermis layer, but without Uptake and translocation effect.If there is strong ovicidal to various plants evil mite, kill the characteristic of children mite, invalid to one-tenth mite, but the ovum that the female one-tenth mite touching liquid produces is had to the effect suppressing hatching.This medicine belongs to non-temperature sensitive type miticide, and the effect used when high temperature or low temperature is without significant difference, and the longevity of residure is long, can remain on about 50 days.
Fenazaquin (Fenazaquin) chemical name: 4-spy-butyl benzene ethyl quinazoline-4-base ether, molecular formula: C
20h
22n
2o.It belongs to quinolines miticide, and by action of contace poison in the mitochondria of elder brother mite cell and chromosome set I, there is good control efficiency at the abutment occupying ubiquinone to mandarin tree, apple tree two spotted spider mite, and the lasting period is long, to natural enemies security.
But in the real process of agricultural production, the problem that control evil mite the most easily produces is the drug-fast generation of evil mite.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistance evil mite.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of co-toxicity coefficient.Study through inventor, find Spiromesifen and tebufenpyrad, Hexythiazox, fenazaquin, halfenprox is composite after can produce good synergistic effect, and not yet open about the relevant report that Spiromesifen and tebufenpyrad, Hexythiazox, fenazaquin, halfenprox are composite.
Summary of the invention
The object of the invention is to propose a kind of to there is synergistic function, use cost is low, preventive effect is good miticide composition.
A kind of High-efficiency miticidal composition, containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 70 ~ 70 ︰ 1, and described active components A is selected from Spiromesifen, and active component B is selected from the one in tebufenpyrad, Hexythiazox, fenazaquin, halfenprox; Active components A and the preferred weight ratio of active component B are 1 ︰ 50 ~ 50 ︰ 1; The weight ratio being more preferably Spiromesifen and tebufenpyrad is 1 ︰ 20 ~ 20 ︰ 1, the weight ratio of Spiromesifen and Hexythiazox is 1 ︰ 10 ~ 20 ︰ 1, the weight ratio of Spiromesifen and fenazaquin is 1 ︰ 10 ~ 20 ︰ 1, and the weight ratio of Spiromesifen and halfenprox is 1 ︰ 10 ~ 20 ︰ 1; The weight ratio most preferably being Spiromesifen and tebufenpyrad is 1 ︰ 10 ~ 10 ︰ 1, and the weight ratio of Spiromesifen and Hexythiazox is 1 ︰ 5 ~ 10 ︰ 1, and the weight ratio of Spiromesifen and fenazaquin is 1 ︰ 5 ~ 10 ︰ 1, and the weight ratio of Spiromesifen and halfenprox is 1 ︰ 5 ~ 10 ︰ 1.
Composition pesticide of the present invention can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Described composition pesticide is for preventing and treating the application of crops evil mite, and described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flower crop, medicinal crop, crop, green manure pasture crop; Described harmful mite comprise two spotted spider mite, Tetranychus urticae, Tetranychus cinnabarinus, Mite, tetranychus viennensis, Panonychus citri, the beginning tetranychid, wheat circle mite, yellow spider, knurl tick, blister mite, Shenmu-Yanan railway, acaphylla theae, tomato goitre mite, rust mite, cotton spider mites, tetranychus telarius.
In the present composition, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target evil mite.In usual composition, the weight percentage of active component is 2% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 60%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in miticide composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Miticide composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing, then adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.Can also containing antifreeze known in those skilled in the art etc. in preparation.
Composition comprises following component and content when making wetting powder: active components A 1% ~ 70%, active component B 1% ~ 70%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 1% ~ 70%, active component B 1% ~ 70%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 1% ~ 50%, active component B 1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 1% ~ 50%, active component B 1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 0 ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1%-12%, wetting agent 1%-8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect higher than single dose, thus reduces pesticide usage amount, while minimizing peasant drug cost, reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (2) between kind, structure difference is comparatively large, thus the resistance that can delay single dose occurs and development; (3) expand and kill mite spectrum, to the two spotted spider mite on crops, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, the beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, tetranychus telarius have greater activity; (4) to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 12 wetting powder
By Spiromesifen, active component B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1.
The each component of table 1 embodiment 1 ~ 12 and content
Embodiment 13 ~ 24 water dispersible granules
Spiromesifen, active component B, dispersant, wetting agent, binding agent (can add and can not add), disintegrant, filler are obtained together the particle diameter of needs through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 embodiment 13 ~ 24 and content
Embodiment 25 ~ 36 suspending agent
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Spiromesifen, active component B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 embodiment 25 ~ 36 and content
Embodiment 37 ~ 42 suspension emulsion
By dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add Spiromesifen, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Spiromesifen suspending agent, then by active component B, solvent (can add and can not add), emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 4.
The each component of table 4 embodiment 37 ~ 42 and content
Embodiment 43 ~ 58 aqueous emulsion
Spiromesifen, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 5,6.
The each component of table 5 embodiment 43 ~ 48 and content
The each component of table 6 embodiment 49 ~ 54 and content
Embodiment 55 ~ 58 microemulsion
Spiromesifen, active component B are dissolved in and are equipped with in the homogenizer of solvent, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 7.
The each component of table 7 embodiment 55 ~ 58 and content
Tebufenpyrad, Hexythiazox, fenazaquin, halfenprox in table 1 to table 7 are exchanged, can novel formulation be obtained.
Embodiment 59 ~ 61 microcapsule suspending agent
By Spiromesifen, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 8.
The each component of table 8 embodiment 63 ~ 65 and content
Embodiment 62 ~ 64 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener (can add and can not add) are mixed through high speed shear, add Spiromesifen, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 9.
The each component of table 9 embodiment 62 ~ 64 and content
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, on this basis, then carry out field trial.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, is placed in beaker respectively for subsequent use.Adopt the method connecing mite after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid configured, naturally dry, put into foster mite box, then connect for the young mite of examination, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination mite number used is 50, establishes blank simultaneously, checks dead mite number in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be then considered as invalid test.Computing formula is as follows:
Evil mite corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), draws virulence regression equation, and calculate the value of often kind of medicament thus with method of least squares.Co-toxicity coefficient CTC is calculated according to the abundant equation of Sun Yun.Computing formula following (take Spiromesifen as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=Spiromesifen of M
spiromesifentI × the P of+active component B
effective active compositionb
In formula: M is the mixture of different ratio
P
effective active compositionb is the shared in the composition ratio of effective active composition B
P
spiromesifenfor the ratio that Spiromesifen is shared in the composition
B is selected from the one in tebufenpyrad, Hexythiazox, fenazaquin, halfenprox.
Application Example two:
For examination evil mite: panonychus citri.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of tebufenpyrad and the two different ratio mixture.
Toxicity test result
Table 11 Spiromesifen and the composite toxicity test analysis of results table to panonychus citri of tebufenpyrad
As shown in Table 11, the proportioning of Spiromesifen and the composite control panonychus citri of tebufenpyrad is when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of Spiromesifen and tebufenpyrad is at 1 ︰ 20 ~ 20 ︰ 1, synergistic effect is more outstanding, and co-toxicity coefficient is all greater than 210, wherein when Spiromesifen and tebufenpyrad weight ratio are 1 ︰ 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Spiromesifen and tebufenpyrad is 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:15, during 1:20, Spiromesifen and tebufenpyrad composite to two spotted spider mite, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, the control of tetranychus telarius has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example three:
For examination evil mite: European red mite.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of Hexythiazox and the two different ratio mixture.
Toxicity test result
Table 12 Spiromesifen and the composite toxicity test analysis of results table to European red mite of Hexythiazox
As shown in Table 12, Spiromesifen and the composite proportioning of preventing and treating European red mite of Hexythiazox are when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of Spiromesifen and Hexythiazox is at 1 ︰ 10 ~ 20 ︰ 1, synergistic effect is more outstanding, and co-toxicity coefficient is all greater than 215, wherein when Spiromesifen and Hexythiazox weight ratio are 2 ︰ 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Spiromesifen and Hexythiazox is 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, Spiromesifen and Hexythiazox composite to two spotted spider mite, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, the control of tetranychus telarius has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example four:
For examination evil mite: citrus red mite.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of fenazaquin and the two different ratio mixture.
Toxicity test result
Table 13 Spiromesifen and the composite toxicity test analysis of results table to citrus red mite of fenazaquin
As shown in Table 13, Spiromesifen and the composite proportioning of preventing and treating citrus red mite of fenazaquin are when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of Spiromesifen and fenazaquin is at 1 ︰ 10 ~ 20 ︰ 1, synergistic effect is more outstanding, and co-toxicity coefficient is all greater than 219, wherein when Spiromesifen and fenazaquin weight ratio are 2 ︰ 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Spiromesifen and fenazaquin is 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, Spiromesifen and fenazaquin composite to two spotted spider mite, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, the control of tetranychus telarius has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example five:
For examination evil mite: cotton red spider.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination Spiromesifen and the former medicine of halfenprox and the two different ratio mixture.
Toxicity test result
Table 14 Spiromesifen and the composite toxicity test analysis of results table to cotton red spider of halfenprox
As shown in Table 14, the proportioning of Spiromesifen and the composite control cotton red spider of halfenprox is when 1 ︰ 70 ~ 70 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 70 ~ 70 ︰ 1 scope all shows synergistic effect, when the proportioning of Spiromesifen and halfenprox is at 1 ︰ 10 ~ 20 ︰ 1, synergistic effect is more outstanding, and co-toxicity coefficient is all greater than 220, wherein when Spiromesifen and halfenprox weight ratio are 2 ︰ 1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Spiromesifen and halfenprox is 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, Spiromesifen and halfenprox composite to two spotted spider mite, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, the control of tetranychus telarius has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Application Example six Spiromesifen and active component B and the composite control citrus red mite test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Hanzhong City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation citrus red mite damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 15 Spiromesifen and active component B and the composite control citrus red mite test of pesticide effectiveness thereof
As can be seen from Table 15, Spiromesifen and active component B composite after effectively can prevent and treat citrus red mite, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven Spiromesifen and active component B and the composite control apple Tetranychus urticae test of pesticide effectiveness thereof
This experimental establishment is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation apple Tetranychus urticae damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 Spiromesifen and active component B and the composite control apple Tetranychus urticae test of pesticide effectiveness thereof
As can be seen from Table 16, Spiromesifen and active component B composite after can effectively prevent and treat apple Tetranychus urticae, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example eight Spiromesifen and active component B and the composite control cotton red spider test of pesticide effectiveness thereof
This experimental establishment is at Shaanxi Province's Weinan City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation cotton red spider damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 17 Spiromesifen and active component B and the composite control cotton red spider test of pesticide effectiveness thereof
As can be seen from Table 17, Spiromesifen and active component B composite after effectively can prevent and treat cotton red spider, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine Spiromesifen and active component B and the composite control tetranychus viennensis test of pesticide effectiveness thereof
This experimental establishment is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation tetranychus viennensis damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 18 Spiromesifen and active component B and the composite control tetranychus viennensis test of pesticide effectiveness thereof
As can be seen from Table 18, Spiromesifen and active component B composite after effectively can prevent and treat tetranychus viennensis, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten Spiromesifen and active component B and the composite control ornamental flower two spotted spider mite test of pesticide effectiveness thereof
This experimental establishment is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, after dispenser, 10 days, 30 days, 45 days investigation damage index of spider mites are also counted investigation ornamental flower two spotted spider mite and are calculated preventive effect.Result of the test is as follows:
Table 19 Spiromesifen and active component B and the composite control ornamental flower two spotted spider mite test of pesticide effectiveness thereof
As can be seen from Table 19, Spiromesifen and active component B composite after can effectively prevent and treat ornamental flower two spotted spider mite, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example 11 Spiromesifen and active component B and composite control wheat wheat circle mite thereof are tested
This experimental establishment is at Shaanxi Province's Weinan City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation wheat wheat circle mite damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 20 Spiromesifen and active component B and the composite control wheat wheat circle mite test of pesticide effectiveness thereof
As can be seen from Table 20, Spiromesifen and active component B composite after can effectively prevent and treat wheat wheat circle mite, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example 12 Spiromesifen and active component B and the composite control tea tree acaphylla theae test of pesticide effectiveness thereof
This experimental establishment is in Ya'an, Sichuan Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 24% Spiromesifen suspending agent (autogamy), 30% tebufenpyrad suspending agent (autogamy), 5% Hexythiazox missible oil (commercial), 95g/L fenazaquin missible oil (commercial), 10% halfenprox missible oil (autogamy).
Investigation tea tree acaphylla theae damage index of spider mites before medicine, in the dispenser of mite evil initial stage of origination, 10 days, 30 days, 45 days investigation damage index of spider mites after dispenser also calculate preventive effect.Result of the test is as follows:
Table 21 Spiromesifen and active component B and the composite control tea tree acaphylla theae test of pesticide effectiveness thereof
As can be seen from Table 21, Spiromesifen and active component B composite after can effectively prevent and treat tea tree acaphylla theae, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, Spiromesifen and tebufenpyrad, Hexythiazox, fenazaquin, halfenprox composite rear to the two spotted spider mite on crops, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, the beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite, the common mite evil such as tetranychus telarius preventive effect all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. a High-efficiency miticidal composition, is characterized in that: effective active composition is active components A and active component B, and active components A and active component B weight ratio are 1 ︰ 70 ~ 70 ︰ 1, and described active components A is Spiromesifen, and active component B is fenazaquin.
2. High-efficiency miticidal composition according to claim 1, is characterized in that: the weight ratio of Spiromesifen and fenazaquin is 1 ︰ 50 ~ 50 ︰ 1.
3. High-efficiency miticidal composition according to claim 2, is characterized in that: the weight ratio of Spiromesifen and fenazaquin is 1 ︰ 10 ~ 20 ︰ 1.
4. High-efficiency miticidal composition as claimed in any of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent and microcapsule suspension-suspendinagent agent.
5. High-efficiency miticidal composition according to claim 1 is for preventing and treating the application of crops evil mite.
6. application according to claim 5, is characterized in that: described harmful mite be two spotted spider mite, Panonychus citri, Tetranychus urticae, acaphylla theae, rust mite, tetranychus viennensis, wheat circle mite, Shenmu-Yanan railway, cotton spider mites, Tetranychus cinnabarinus, Mite, the beginning tetranychid, yellow spider, knurl tick, blister mite, tomato goitre mite or tetranychus telarius.
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| CN201510104926.XA CN104782645B (en) | 2012-08-23 | 2012-08-23 | A kind of High-efficiency miticidal composition |
| CN201210302477.6A CN103621528B (en) | 2012-08-23 | 2012-08-23 | High efficient mite-killing composition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406192A (en) * | 2008-11-28 | 2009-04-15 | 深圳诺普信农化股份有限公司 | Compositional acaricide and uses thereof |
| CN102228027A (en) * | 2011-05-06 | 2011-11-02 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing fenazaquin |
| CN102265827A (en) * | 2010-06-02 | 2011-12-07 | 南京华洲药业有限公司 | Synergistic acaricidal composition containing spirodiclofen and halfenprox and application thereof |
| CN102657174A (en) * | 2012-04-12 | 2012-09-12 | 广东中迅农科股份有限公司 | Synergistic acaricidal composition containing spiromesifen and tebufenpyrad |
| CN102265889B (en) * | 2010-06-02 | 2013-09-18 | 南京华洲药业有限公司 | Acaricide composition containing spirodiclofen and hexythiazox and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19901943A1 (en) * | 1999-01-20 | 2000-07-27 | Bayer Ag | Use of 2,3-dihydro-2-oxo-5,5-tetramethylene-3-(2,4,6-trimethylphenyl)-4-furyl 3,3-dimethylbutanoate to control whitefly |
| EP2667721B1 (en) * | 2011-01-28 | 2018-01-24 | Deepak Pranjivandas Shah | Pesticide composition comprising sulphur, an acaricide and an agrochemical excipient |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406192A (en) * | 2008-11-28 | 2009-04-15 | 深圳诺普信农化股份有限公司 | Compositional acaricide and uses thereof |
| CN102265827A (en) * | 2010-06-02 | 2011-12-07 | 南京华洲药业有限公司 | Synergistic acaricidal composition containing spirodiclofen and halfenprox and application thereof |
| CN102265889B (en) * | 2010-06-02 | 2013-09-18 | 南京华洲药业有限公司 | Acaricide composition containing spirodiclofen and hexythiazox and application thereof |
| CN102228027A (en) * | 2011-05-06 | 2011-11-02 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing fenazaquin |
| CN102657174A (en) * | 2012-04-12 | 2012-09-12 | 广东中迅农科股份有限公司 | Synergistic acaricidal composition containing spiromesifen and tebufenpyrad |
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| CN104782645B (en) | 2017-06-16 |
| CN103621528A (en) | 2014-03-12 |
| CN104782645A (en) | 2015-07-22 |
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